package dome04;
class  Teacher{
    String teacherID;//教师编号
    /**
     * 关键字this
     * 关键字static
     */
    /**
     *类属性 每个对象都可以继承（）
     */
    String dep = "信息工程系";
    public static String hobby = "健身";
    public Teacher(String teacherID){
        //当形象名称和类属性名称一致时 分不清楚 函数默认是形象名称
        //teacherID  = teacherID;
        /**
         * 使用this指类本身
         * 无关键字是形参 用关键字this是类的属性
         * this也可以调用本函数内部其他属性和方法
         */
        this.teacherID = teacherID;
    }
    public String getTeacherID(){
        return teacherID;
    }

    public void setTeacherID(String teacherID) {
        this.teacherID = teacherID;
    }
}
public class Dome04 {
    public static void main(String[] args) {
        Teacher t1 = new Teacher("2023S2004");
        Teacher t2 = new Teacher("2023S2001");
        System.out.println(t1.dep);
        System.out.println(t2.dep);
        System.out.println();
        System.out.println("********");
        t1.dep = "宇宙系";
        System.out.println(t1.dep);
        System.out.println(t2.dep);
        System.out.println("静态属性");
        System.out.println(t1.hobby);
        System.out.println(t2.hobby);
        t2.hobby = "美的设计";
        System.out.println("*******");
        System.out.println(t1.hobby);
        System.out.println(t2.hobby);

    }
}
